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https://www.readbyqxmd.com/read/29775960/strategies-to-decrease-oxidative-stress-biomarker-levels-in-human-medical-conditions-a-meta-analysis-on-8-iso-prostaglandin-f-2%C3%AE
#1
Thomas J van 't Erve
The widespread detection of elevated oxidative stress levels in many medical conditions has led to numerous efforts to design interventions to reduce its effects. Efforts have been wide-ranging, from dietary changes to administration of antioxidants, supplements, e.g., omega-3-fatty acids, and many medications. However, there is still no systemic assessment of the efficacy of treatments for oxidative stress reduction across a variety of medical conditions. The goal of this meta-analysis is, by combining multiple studies, to quantitate the change in the levels of the popular oxidative stress biomarker 8-iso-prostaglandin F2α (8-iso-PGF2α ) after a variety of treatment strategies in human populations...
May 9, 2018: Redox Biology
https://www.readbyqxmd.com/read/29775770/treatment-of-ruptured-vertebral-artery-dissection-and-abdominal-hemorrhage-associated-with-segmental-arterial-mediolysis-using-endovascular-coil-embolization-va-dissection-associated-with-sam
#2
Taiki Isaji, Tomotaka Ohshima, Sigeru Miyachi, Naoki Matsuo, Reo Kawaguchi, Masakazu Takayasu
BACKGROUND: Segmental arterial mediolysis is a rare disease characterized by idiopathic noninflammatory vasculopathy involving small to medium arteries. Here, we report a case of ruptured cerebral and abdominal aneurysms, which were successfully treated using emergency endovascular coil embolization. CASE DESCRIPTION: A 45-year-old male suffered subarachnoid hemorrhage caused by the rupture of the right vertebral artery dissecting aneurysm, which was treated using emergency endovascular coiling...
May 15, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29775643/myocardial-infarction-induced-hippocampal-microtubule-damage-by-cardiac-originating-microrna-1-in-mice
#3
Lin-Lin Sun, Ming-Jing Duan, Ji-Chao Ma, Ling Xu, Meng Mao, Das Biddyut, Qin Wang, Chao Yang, Shuai Zhang, Yi Xu, Lin Yang, You Tian, Ying Liu, Sheng-Nan Xia, Ke-Xin Li, Zhuo Jin, Qiaojie Xiong, Jing Ai
Cardiovascular diseases are risk factors for dementia, but the mechanisms remain elusive. Here, we report that myocardial infarction (MI) generated by the ligation of the left coronary artery (LCA) could lead to increased miR-1 levels in the hippocampus and blood with neuronal microtubule damage and decreased TPPP/p25 protein expression in the hippocampus. These changes could be prevented by a knockdown of miR-1 using hippocampal stereotaxic injections of anti-miR-1 oligonucleotide fragments carried by a lentivirus vector (lenti-pre-AMO-miR-1)...
May 15, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29775572/gene-therapy-with-antisense-oligonucleotides-silencing-c-myc-reduces-neointima-formation-and-vessel-wall-thickness-in-a-mouse-model-of-vein-graft-disease
#4
Christina Maria Steger, Nikolaos Bonaros, Ralf Joachim Rieker, Johannes Bonatti, Thomas Schachner
Gene therapy for avoiding intimal hyperplasia of vein grafts after coronary artery bypass grafting is still discussed controversially. A promising application of gene therapy in vein grafts is the use of antisense oligonucleotides to block the expression of genes encoding cell cycle regulatory proteins in vascular smooth muscle cells. C-myc, either directly or by regulating the expression of other proteins, controls cell proliferation, apoptosis and cell survival, tissue remodeling, angiogenesis, cell metabolism, production of inflammatory and anti-inflammatory cytokines, and also participates in cell transformation...
May 15, 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29775442/-copeptin-in-children-with-chronic-kidney-disease
#5
Piotr Skrzypczyk, Magdalena Okarska-Napierała, Elżbieta Górska, Anna Stelmaszczyk-Emmel, Małgorzata Pańczyk-Tomaszewska
Studies in adult patients suggest that copeptin (C-terminal fragment of antidiuretin propeptide) is related to kidney and cardiovascular diseases. AIM: The aim was to assess copeptin concentration in children with chronic kidney disease (CKD). MATERIALS AND METHODS: In a group of 38 children with CKD (age: from 4.70 to 18.00 mean 12.23±4.19 years) we evaluated: serum copeptin concentration [ng/mL], age, sex, etiology of CKD, presence of arterial hypertension (AH), medications, glomerular filtration rate (GFR), hemoglobin, calcium-phosphorus metabolism parameters, and lipids...
April 23, 2018: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29775150/computer-aided-analysis-of-middle-cerebral-artery-tortuosity-association-with-aneurysm-development
#6
Kornelia M Kliś, Roger M Krzyżewski, Borys M Kwinta, Krzysztof Stachura, Marek Moskała, Krzysztof A Tomaszewski
OBJECTIVE Blood vessel tortuosity may play an important role in the development of vessel abnormalities such as aneurysms. Currently, however, there are no studies analyzing the impact of brain blood vessel tortuosity on the risk of aneurysm formation. Therefore, the authors performed a computer-aided analysis of middle cerebral artery (MCA) tortuosity, especially among patients diagnosed with MCA aneurysms. METHODS Anatomy of the MCAs of 54 patients with unruptured MCA aneurysms was retrospectively analyzed, as was that of 54 sex-, age-, and vessel side-matched control patients without MCA aneurysms...
May 18, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29774937/-application-of-robotic-surgery-to-treat-carcinoma-in-the-remnant-stomach
#7
Feng Qian, Jiajia Liu, Junyan Liu, Junyan Fan, Yongliang Zhao, Yan Shi, Yingxue Hao, Peiwu Yu
OBJECTIVE: To explore the surgical techniques and feasibility of robotic surgery for carcinoma in the remnant stomach(CRS). METHODS: Clinicopathological data of 20 CRS patients undergoing robotic surgery at the Minimally Invasive Center for Gastrointestinal Surgery, Army Medical University Southwest Hospital from November 2012 to October 2017 were retrospectively collected. The surgical methods, procedures, main difficulties, and key techniques were analyzed, and the clinical efficacy was evaluated...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774884/-application-of-radial-arterial-puncture-cannulation-under-ultrasonic-guidance-in-patients-with-critical-diseases
#8
Lan Cao, Lina Zhang, Meilin Ai, Li Li, Dun Tian, Yang Sun, Luxi Deng
To explore the clinicaleffect of radial arterial puncture cannulationunder ultrasonic guidance in patients with critical diseases.
 Methods: From December 2016 to May 2017, 120 patients under critical conditions in Department ofIntensive Care Unit, Xiangya Hospital, Central South University, who received arterial cannulation, were randomly divided into 2 groups: a control group (traditional blind puncture method) and an observation group (ultrasound-guided radial arterial cannulation) (60 cases in each group)...
April 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29774880/leukocyte-mir-223-3p-is-not-associated-with-altered-platelet-responses-to-clopidogrel-in-patients-with-coronary-artery-disease
#9
Wenjian Xie, Qian Yin, Mengran Zhang, Shengnan Li, Shaoliang Chen
To investigate the potential correlation between miR-223 level in leukocytes and platelet responses to clopidogrel in patients with coronary artery disease.
 Methods: A cohort of 188 outpatients, who conducted percutaneous coronary intervention (PCI) and received dual antiplatelet therapy, were recruited. The patient's electronic health data were collected, and their blood samples were obtained for measurement of adenosine diphosphate (ADP)-induced whole-blood platelet aggregation. Extreme cases of platelet responses to clopidogrel (ultra- vs...
April 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29774601/the-impact-of-mitral-stenosis-on-outcomes-of-aortic-valve-stenosis-patient-undergoing-surgical-aortic-valve-replacement-or-transcatheter-aortic-valve-replacement
#10
Yasser Al-Khadra, Fahed Darmoch, Motaz Baibars, Amir Kaki, Zaher Fanari, M Chadi Alraies
BACKGROUND: The concomitant presence of mitral stenosis (MS) in the setting of symptomatic aortic stenosis represent a clinical challenge. Little is known regarding the outcome of mitral stenosis (MS) patients undergoing transcatheter aortic valve replacement (TAVR) or surgical aortic valve replacement (SAVR). Therefore, we sought to study the outcome of MS patients undergoing aortic valve replacement (AVR). METHOD: Using weighted data from the National Inpatient Sample (NIS) database between 2011 and 2014, we identified patients who were diagnosed with MS...
May 17, 2018: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29774463/early-cardiovascular-manifestations-in-children-and-adolescents-with-autosomal-dominant-polycystic-kidney-disease-a-single-center-study
#11
Vasiliki Karava, Cherine Benzouid, Julien Hogan, Claire Dossier, André Pierre Denjean, Georges Deschênes
BACKGROUND: This study aims to describe the cardiovascular manifestations in children with autosomal dominant polycystic kidney disease (ADPKD) and detect their relation with kidney disease and type of gene mutation. METHODS: Twenty-one patients (7 to 19 years old) were included. Cardiovascular evaluation involved blood pressure (BP), indexed left ventricular mass (LVMI), pulse wave velocity (PWV), and carotid intima media thickness (cIMT) measurement. Patients were classified according to percentile reference values of these parameters in healthy children...
May 17, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29774406/reduced-global-myocardial-perfusion-reserve-in-dcm-and-hcm-patients-assessed-by-cmr-based-velocity-encoded-coronary-sinus-flow-measurements-and-first-pass-perfusion-imaging
#12
Michael Bietenbeck, Anca Florian, Zornitsa Shomanova, Claudia Meier, Ali Yilmaz
BACKGROUND: Coronary microvascular dysfunction (CMD) is an independent predictor of poor prognosis in patients suffering from dilative or hypertrophic cardiomyopathy (DCM/HCM). To assess CMD, quantitative myocardial first-pass perfusion (1P) cardiovascular magnetic resonance (CMR) can be performed. Coronary sinus flow (CSF) measurements at rest and during maximal vasodilatation are an alternative and well-validated approach for the quantification of global myocardial blood flow (MBF) in CMR...
May 17, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29774121/mir-33-promotes-myocardial-fibrosis-by-inhibiting-mmp16-and-stimulating-p38-mapk-signaling
#13
Zhen Chen, Hua-Sheng Ding, Xin Guo, Jing-Jing Shen, Di Fan, Yan Huang, Cong-Xin Huang
Myocardial fibrosis occurs in the late stages of many cardiovascular diseases, and appears to be stimulated by various microRNAs (miRNAs). We previously found that miR-33 may stimulate cardiac remodeling. Here, we examined the involvement of miR-33 in myocardial fibrosis. Proximal left coronary descending artery occlusion was performed in rat, and antagomiR-33a was injected. Primary cardiac fibroblasts were cultured and transfected with miR-33a mimics and inhibitors. miR-33a levels were increased in the rat after surgery, and collagen deposition and heart fibrosis were observed in vivo ...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29774054/beta-adrenoceptor-blockade-ameliorates-impaired-glucose-tolerance-and-alterations-of-the-cerebral-ceramide-metabolism-in-an-experimental-model-of-ischemic-stroke
#14
Sebastian Luger, Annette Schwebler, Rajkumar Vutukuri, Nerea Ferreiros Bouzas, Sandra Labocha, Yannick Schreiber, Robert Brunkhorst, Helmuth Steinmetz, Josef Pfeilschifter, Waltraud Pfeilschifter
Background: Sphingolipids are versatile signaling molecules derived from membrane lipids of eukaryotic cells. Ceramides regulate cellular processes such as proliferation, differentiation and apoptosis and are involved in cellular stress responses. Experimental evidence suggests a pivotal role of sphingolipids in the pathogenesis of cardiovascular diseases, including ischemic stroke. A neuroprotective effect has been shown for beta-adrenergic antagonists in rodent stroke models and supported by observational clinical data...
2018: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/29773990/atorvastatin-inhibits-inflammatory-response-attenuates-lipid-deposition-and-improves-the-stability-of-vulnerable-atherosclerotic-plaques-by-modulating-autophagy
#15
Shi Peng, Long-Wei Xu, Xin-Yu Che, Qing-Qing Xiao, Jun Pu, Qin Shao, Ben He
Atherosclerosis is a chronic disease comprising intima malfunction and arterial inflammation. Recent studies have demonstrated that autophagy could inhibit inflammatory response in atherosclerosis and exert subsequent atheroprotective effects. Our previous study also demonstrated the role of autophagy in the inhibition of inflammation by atorvastatin in vitro . Therefore, in the present study, we aimed to determine whether atorvastatin could upregulate autophagy to inhibit inflammatory cytokines secretion, lipid accumulation, and improve vulnerable plaque stability, both in vitro and in vivo ...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29773939/retinopathy-and-mortality
#16
Emily Frith, Paul D Loprinzi
Objective: We evaluated the specific association between retinopathy and all-cause mortality among a national sample of the broader U.S. adult population. Methods: Data from the 2005-2008 National Health and Nutrition Examination Survey were used to identify 4,777 adults with complete data regarding screening for nonproliferative retinopathy using Early Treatment Diabetic Retinopathy Study grading criteria, as well as objective retinal imaging assessments using the Canon Non-Mydriatic Retinal Camera CR6-45NM...
May 2018: Diabetes Spectrum: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/29773712/acute-kidney-injury-and-risk-of-heart-failure-and-atherosclerotic-events
#17
Alan S Go, Chi-Yuan Hsu, Jingrong Yang, Thida C Tan, Sijie Zheng, Juan D Ordonez, Kathleen D Liu
BACKGROUND AND OBJECTIVES: AKI in the hospital is common and is associated with excess mortality. We examined whether AKI is also independently associated with a higher risk of different cardiovascular events in the first year after discharge. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a retrospective analysis of a cohort between 2006 and 2013 with follow-up through 2014, within Kaiser Permanente Northern California. We identified all adults admitted to 21 hospitals who had one or more in-hospital serum creatinine test result and survived to discharge...
May 17, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29773488/identifying-the-myogenic-and-metabolic-components-of-cerebral-autoregulation
#18
S J Payne
Cerebral autoregulation is the term used to describe a number of mechanisms that act together to maintain a near constant cerebral blood flow in response to changes in arterial blood pressure. These mechanisms are complex and known to be affected in a range of cerebrovascular diseases. However, it can be difficult to assign an alteration in cerebral autoregulation to one of the underlying physiological mechanisms without the use of a complex mathematical model. In this paper, we thus set out a new approach that enables these mechanisms to be related to the autoregulation behaviour and hence inferred from experimental measurements...
May 14, 2018: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29773466/in-vivo-morphologic-comparison-of-saphenous-vein-grafts-and-native-coronary-arteries-following-non-st-elevation-myocardial-infarction
#19
Tom Hsun-Wei Huang, Kalpa De Silva, Usaid K Allahwala, Edward J Danson, Pasi K Karjalainen, Olli A Kajander, Ravinay Bhindi
OBJECTIVE: This study aimed to assess the pathophysiological differences between saphenous vein grafts (SVG) and native coronary arteries (NCA) following presentation with non-ST elevated myocardial infarction (NSTEMI). BACKGROUND: There is accelerated pathogenesis of de novo coronary disease in harvested SVG following coronary artery bypass (CABG) surgery, which contributes to both early and late graft failure, and is also causal in adverse outcomes following vein graft PCI...
April 16, 2018: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29773159/antithrombotic-therapy-and-major-adverse-limb-events-in-peripheral-artery-disease-a-step-forward
#20
EDITORIAL
Marc P Bonaca, Mark A Creager
No abstract text is available yet for this article.
May 22, 2018: Journal of the American College of Cardiology
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